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Parasitology lec > Animal Hookworms and Trichostrongylus > Flashcards

Animal Hookworms and Trichostrongylus Flashcards

1
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

(Cat) Hookworm

People would accidentally get the infection by:

A

○ Walking barefoot
○ Areas where there is improper sanitation of waste matter of pets

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2
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

Life cycle will not completely develop in ______

A

humans

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3
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

only ____ stages are recovered found underneath
the skin of humans

A

larval

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4
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

dog

A

Caninum

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5
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

3 pairs of teeth

A

Caninum

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6
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

big buccal cavity

A

Caninum

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7
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

cat

A

Braziliense

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8
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

2 pairs of teeth

A

Braziliense

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9
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

smallest in size

A

Braziliense

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10
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

Pathology:

A
  • CLM
  • Patient would experience redness & itchiness at the site of penetration
  • L3 Larva can be found underneath the skin
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11
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

CLM meaning

A

Cutaneous Larva Migrans or Creeping
eruption

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12
Q

Ancylostoma caninum (Dog) and Ancylostoma Braziliense

Diagnosis:

A
  • stool examination is not appropriate
  • Biopsy
  • Serological testing
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13
Q

Sizes of different Hookworms:

A
  1. Ancylostoma caninum (biggest)
  2. Ancylostoma duodenale
  3. Necator americanus
  4. Ancylostoma Braziliense (smallest)
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14
Q

1 pair of teeth

A

Ancylostoma ceylanicum

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15
Q

Animal parasite that can completely develop in
humans

A

Ancylostoma ceylanicum

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16
Q

Related to hookworms

A

Trichostrongylus

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17
Q

Trichostrongylus

Final Host

A

Herbivores (like cattles, sheep)

18
Q

Trichostrongylus

accidental host,

A

man

19
Q

Similar to hookworms; but no heart lung migration

A

Trichostrongylus

20
Q

Hookworm vs. Trichostronglylus Egg

Smaller

A

Hookworm

21
Q

Hookworm vs. Trichostronglylus Egg

Rounded

A

Hookworm

22
Q

Hookworm vs. Trichostronglylus Egg

Elongated & larger

A

Trichostrongylus

23
Q

Hookworm vs. Trichostronglylus Egg

Has a pointed end

A

Trichostrongylus

24
Q

Animal Ascarids:

A

Toxocara cati & Toxocara canis

25
Q

Toxocara Cati

Final Host

A

Cat

26
Q

Toxocara Canis

Final Host

A

Dog

27
Q

Animal Ascarids

Accidental Host

A

Humans

28
Q

Animal Ascarids

MOT

A

Ingestion of Embryonated Eggs

29
Q

Animal Ascarids

Only ____ stages will be recovered in
humans

A

larval

30
Q

Animal Ascarids

Larval stages found in different _______

A

visceral
organs

31
Q

Animal Ascarids

Disease:

A

Visceral Larva Migrans

32
Q

Animal Ascarids

After ingestion of embryonated egg, the larva will be released and develop up to the ______

Visceral Larva Migrans

A

L2 larval stage

33
Q

Animal Ascarids

L2 larval stage can _____ (embedded into
the tissue)

Visceral Larva Migrans

A

encyst

34
Q

Animal Ascarids

Other disease associations:

A

○ Ocular Larval Migrans (OLM)
○ Covert toxocariasis - Hidden

35
Q

Animal Ascarids

affects the
eyes

Other disease associations:

A

Ocular Larval Migrans (OLM)

36
Q

Animal Ascarids

Hidden

Other disease associations:

A

Covert toxocariasis

37
Q

Animal Ascarids

_____ usually affected

A

Children

38
Q

Animal Ascarids: Diagnosis

A

● Antigen detection and molecular methods
● Detection of larva (biopsy)
● ELISA
● Molecular methods
● Patients also have elevated levels of eosinophils

39
Q

Animal Ascarids: Diagnosis

(Detection of Ab such as IgG) using Toxocara excretory antigens

A

ELISA

40
Q

Animal Ascarids: Treatment

A

● Albendazole
● Mebendazole
● together with anti-inflammatory medications

Parasitology lec (24 decks)

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